Consolidate ShouldUseNativeFrame/AlwaysUseNativeFrame/UseNativeFrame spaghetti.

chrome/browser/ui/views/constrained_window_views.cc

Index: chrome/browser/ui/views/constrained_window_views.cc
===================================================================
--- chrome/browser/ui/views/constrained_window_views.cc	(revision 85647)
+++ chrome/browser/ui/views/constrained_window_views.cc	(working copy)
@@ -155,7 +155,6 @@
 
   // Overridden from views::NonClientFrameView:
   virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
-  virtual bool AlwaysUseCustomFrame() const OVERRIDE;
   virtual gfx::Rect GetWindowBoundsForClientBounds(
       const gfx::Rect& client_bounds) const OVERRIDE;
   virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
@@ -273,6 +272,10 @@
   InitClass();
   InitWindowResources();
 
+  // Constrained windows always use the custom frame - they just have a
+  // different set of bitmaps.
+  container->set_frame_type(views::Window::FRAME_TYPE_FORCE_CUSTOM);
+
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   close_button_->SetImage(views::CustomButton::BS_NORMAL,
                           rb.GetBitmapNamed(IDR_CLOSE_SA));
@@ -299,12 +302,6 @@
   return client_view_bounds_;
 }
 
-bool ConstrainedWindowFrameView::AlwaysUseCustomFrame() const {
-  // Constrained windows always use the custom frame - they just have a
-  // different set of bitmaps.
-  return true;
-}
-
 gfx::Rect ConstrainedWindowFrameView::GetWindowBoundsForClientBounds(
     const gfx::Rect& client_bounds) const {
   int top_height = NonClientTopBorderHeight();